<?php
	include ("connection.php");
		  
			$id =(int) $_POST["ID_Tinh"];
			$sql = 'SELECT *	
					FROM quan_huyen WHERE ID_Tinh_thanh_pho='.$id.'';
			$result = mysql_query ($sql, $link);
			$nxb = array();
			while ($row = mysql_fetch_assoc($result)){
				$nxb[]= $row;
			}
			echo json_encode($nxb);
			
		
?>